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sharpen [sharpened, sharpening, sharpens]▼(to make sharp)verb[UK: ˈʃɑː.pən] [US: ˈʃɑːr.pən]
turn [turned, turning, turns]▼(to shape on a lathe or similar tool)verb[UK: tɜːn] [US: ˈtɝːn]
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